linux-phytec-fsl

NFS: Use nfs_server_capable() for checknig NFS_CAP_SEEK

This should make the code easier to maintain in the future.

Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>